Question about SanDisk Sansa e250 MP3 Player

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Help with my mp3

When i plug the mp3 in the computer its like i never connected it.the computer doesnt respond to it.i tried changing the battery and usb cable but still nothing.

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  • crz691018 Nov 08, 2008

    yes .before it worked perfectly on the computer also in the wall system opration is windows.i tried it on another computer but the same problem occured.the usb port is ok because it worked with other devices.the strange thing is when i connect the mp3 to the wall charger but on the mp3 screen it says "connected" as it does while connected on the computer and it doesnt charge.anothe thing i tried to put it in recovery mode but i put the bottom in lock.i hold the record button and turn it on but the screen says "please unlock the hold switch to power on"and the system shuts down. thank you very much for trieng to help me let me know what you think about it.

  • MaviGozler May 11, 2010

    Are you saying that when you have plugged it into your computer before, the computer detected it, and now it no longer detects it?

    What is the computer and what operating system (Windows? MacOS?) are you running?

    Maybe the USB connector on the computer is not making full contact (it's worn or bent somehow, or needs cleaning). Have you tried connecting your MP3 into another USB slot on your computer? Do other USB devices connect and work off that USB port on your computer? Verify that.

    Try connecting your MP3 on to someone else's (another) computer...does it communicate then?

    Let us know more.



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If a specific solution does not work here, then

The user guide specifies several things you might try:

Page 7 of the guide takes about charging the battery (which might be need replacing if you have recharged it for many cycles). When charging through the USB cable on the computer it will stay "connected". There is no indication of what it says when connected to the AC adapter you are using.

Page 8 says none of the keys will operate when the buttons are locked out because the Hold switch is set to unlock the functions, and then start charging.

Have you "reset" your Sansa? Some times memory chips and other parts of the device get into a misconfigured state, perhaps because you disconnected the USB cable while transferrring files or doing some other operation with the computer. SanDisk specifically tells you NOT to disconnect the USB cable while an operation is going on, or you can actually DAMAGE the device. Only disconnect the cable when you have issued a command to SAFELY DISCONNECT the MP3 player from the computer. This is usually done on Windows systems with the SAFELY REMOVE or EJECT the MP3 player, which shows up on Windows Explorer.

At any rate, to "reset" the Sansa, which will possibly delete your files and set it back to a factory default state, page 33 of the guide (FAQs and troubleshooting) says to hold down the Power key for at least 15 seconds. This might clean up all your troubles.

ALSO: Download the latest firmware for the MP3 player from the SanDisk web site. Follow the directions for uploading the firmware to the MP3 player once it is communicating with your computer properly. (see page 8)

Posted on Nov 09, 2008

  • MaviGozler Nov 09, 2008

    I forgot to say if a specific solution is not found in my post, then you can go to the Forum section of the SanDisk web site or check their "knowledge base" to read answers to questions or post your question.

    Also determine if your MP3 player is still in the warranted period. You might ask for SanDisk technical support or determine whether you are owed a product exchange for a possibly defective player.

    Do this before determining whether you need to replace a battery which may be defective or its lifetime used up.



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